Share Repurchase Program (Details) (USD $)	1 Months Ended	9 Months Ended
	Oct. 31, 2014	Mar. 31, 2015
Equity [Abstract]
Authorized amount	$ 500,000,000
Stock repurchase program term	2 years
Shares purchased (in shares)		1,411,772
Purchase of treasury stock		$ 60,300,000